Table 1.

Information provided by clinicians concerning clinically suspected diagnosis

Primary diagnosis	MC suspected	IBD suspected	Constipation	Previous colorectal cancer	No clinical information given
Normal mucosa	16	2	2	1	0
Nonspecific changes	4	0	0	0	0
CCi	22	0	0	0	3
CC	24	0	0	0	1

Abbreviations: CC, collagenous colitis; CCi, incomplete collagenous colitis; IBD, inflammatory bowel disease; MC, microscopic colitis.